Pith Number

pith:JK5RRYFW

pith:2012:JK5RRYFWYFKWEFSAIROW3OEMIN

not attested not anchored not stored refs pending

Microspectral analysis of quasinilpotent operators

Jarmo Malinen, Jaroslav Zem\'anek, Olavi Nevanlinna

arxiv:1211.4790 v1 · 2012-11-20 · math.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JK5RRYFWYFKWEFSAIROW3OEMIN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:40:16.819301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4abb18e0b6c155621640445d6db88c43757fbc94bf3f9e92dd2f99c484faebc4

Aliases

arxiv: 1211.4790 · arxiv_version: 1211.4790v1 · doi: 10.48550/arxiv.1211.4790 · pith_short_12: JK5RRYFWYFKW · pith_short_16: JK5RRYFWYFKWEFSA · pith_short_8: JK5RRYFW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JK5RRYFWYFKWEFSAIROW3OEMIN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4abb18e0b6c155621640445d6db88c43757fbc94bf3f9e92dd2f99c484faebc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56146817b0a3d2235c48b33c9dfe47b84117405de6f67c45a622b89b95e93ce2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2012-11-20T16:10:30Z",
    "title_canon_sha256": "81a1e18917fa47df7711018faab3c5f390cabe7f07e48865a7ffda16d5e3ab58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4790",
    "kind": "arxiv",
    "version": 1
  }
}